These bulbs feature a high power Nichia LED diode for maximum brightness. These bulbs are literally going to be the brightest bulbs available for a 194 application.
For the trunk, I would go with this 3022 LED Bulb. It will replace your stock 26mm LED bulb.
subie2GX: It would be my pleasure to help you out. Here is what you would need to upgrade the lights on your GX470 to LED:
Front Parking Lights: Your vehicle uses a 194 bulb for the parking lights meaning that you would need to purchase this High Power 194 LED bulb. They are sold in pairs so you only need to order one set.
Cargo & Dome light: Your vehicle uses a DE3175 bulb for this application. You will need to get this 3175 LED automotive Bulb to upgrade these lights to LED. They are sold individually so you will need to order 2.
Map Lights: I would suggest getting these universal LED Panels to upgrade your map lights to LED. They are 1" x 1" in size and feature 9 LED diodes per panel for maximum light output and spread. These LED panels are sold individually so you will need to order 2.
License Plate, Door Courtesy Lights, & Step-rail bars: These applications all use a 194 bulb meaning that you would need to get 194 LED bulbs to upgrade all of them. In order to upgrade all of them, you would need to order 5 pairs of the 194 LED bulbs.
ClubLexus members receive a 15% discount on our LED products by typing in coupon code "CLLED" upon checkout. For a limited time only, you will also receive free shipping on orders over $100 shipping within the continental USA.
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Thanks to Alex350, we now have pictures of the ALL NEWHigh Power 194 LED bulb installed in an IS35) Parking Lights:
I am not surprised to hear/see how bright these Automotive LED bulbs are. Putco uses high power Nichia LED diodes for this 194 LED bulb and the bulbs are assembled right in the USA! Putco rates these bulbs to be 18X brighter than your stock 194 bulbs.